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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: marvell.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: PH0PR18MB4672.namprd18.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: b3df1065-a5b8-4d4c-ef41-08dd9487ad14 X-MS-Exchange-CrossTenant-originalarrivaltime: 16 May 2025 14:41:00.1251 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 70e1fb47-1155-421d-87fc-2e58f638b6e0 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: dpPpFaeTPoH9i6JF/Yp8GMaVvHgXcUSz97cwRUejqYpBvcyj2O22QTQYgnuy2ZCSfJSidLb6BQ8A/4fnaKQvtw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA0PR18MB3632 X-Authority-Analysis: v=2.4 cv=GPgIEvNK c=1 sm=1 tr=0 ts=68274e7f cx=c_pps a=PZJ0/dUMjH0jBWORzn298Q==:117 a=lCpzRmAYbLLaTzLvsPZ7Mbvzbb8=:19 a=wKuvFiaSGQ0qltdbU6+NXLB8nM8=:19 a=Ol13hO9ccFRV9qXi2t6ftBPywas=:19 a=xqWC_Br6kY4A:10 a=kj9zAlcOel0A:10 a=dt9VzEwgFbYA:10 a=-AAbraWEqlQA:10 a=M5GUcnROAAAA:8 a=6Io2p0sKCphI8ivHYZwA:9 a=CjuIK1q_8ugA:10 a=OBjm3rFKGHvpk9ecZwUJ:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNTE2MDE0MiBTYWx0ZWRfX2qI4EuYquXPa tdC7riIaDCOtmqVfBVMkGPuV65y0Y+85QPI7OWvSZs+0jWoIcmTm3bSgbotofHPHFf6nQkYIdw+ dCKtRgQ7637G06+Emg7OeTAcCAj0E8Y47lMJ+23AuZWZRQhNT8Z4TaAf/m3460kWPnnxX4YyDx1 1StqCrxaQ8h4GarDjjhdcCagsbsNr4yoeiGUD3Hpn0Rjd4MDx7tsLfAG8Fw1a2Z1YHKAcWQSURj PsZRs0kJWtWpJpVLjtgV2G3l2R5Yv8HdEP9S+ycsc5oExRyvJpGD6rBTxVEfPe8hGv+yzGi3alD Nvk0ZdZa/tEXblzkA4EHgsqJfKfEFKF0apvNNk3K4g+K5QZgCpv6cABffwVGBA51zaML++Jotwt iId8b8+4wAXSXAe1mPdR5DZz8FPNN3cp20JY0nEnTS1J8hFMfBMeC3oil2i6chCYwGNONyQy X-Proofpoint-GUID: VB76uMIZl9CMIWP7on9GWIc6kovEHi50 X-Proofpoint-ORIG-GUID: VB76uMIZl9CMIWP7on9GWIc6kovEHi50 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.0.736,FMLib:17.12.80.40 definitions=2025-05-16_05,2025-05-16_03,2025-03-28_01 X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org > Subject: [PATCH] doc: add limitation in using segment-sz in crypto-perf >=20 > When segment-sz is given as parameter, > use buffer-sz in descending order. > The reason is, same scatter gather buffer list is being used for all pack= et sizes > which is initialized once in the beginning. > Now if a small packet case is run first, mbuf SG list will be trimmed to = a smaller > number of SG and rest of the SGs are lost resulting in segfault. > Buffers cannot be re-initialized as that will come in datapath and will b= e costly. > So to workaround this, if segment-sz is passed as argument, use values in > buffer-sz in descending order. >=20 > Signed-off-by: Akhil Goyal Acked-by: Anoob Joseph